Light bar



FIG. 1 is a perspective front view of a light bar;

FIG. 2 is a front elevation view thereof; the rear elevation view beingan identical image thereof;

FIG. 3 is a left side elevation view thereof; the right side elevationview being an identical image thereof; and,

FIG. 4 is a top plan view thereof; the bottom plan view being anidentical image thereof.

The broken lines shown in the drawings illustrate portions of the lightbar that form no part of the claimed design.

The cutaway symbols illustrated in broken lines in the drawings indicatea symbolic break in the length of the design for the light barindicating an indeterminate length. The appearance of any portion of thearticle between the break lines forms no part of the claimed design.

CLAIM The ornamental design for a light bar, as shown and described.